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5. PARAMETERS
5 - 21
No. Symbol Name and function
Initial
value
[unit]
Setting
range
PB17 NHF Shaft resonance suppression filter
Set the shaft resonance suppression filter.
Use this parameter to suppress a low-frequency machine vibration.
When you select "Automatic setting (_ _ _ 0)" of "Shaft resonance suppression filter selection"
in [Pr. PB23], the value will be calculated automatically from the servo motor you use and load
to motor inertia ratio. Set this parameter manually when "Manual setting (_ _ _ 1)" is selected.
When "Shaft resonance suppression filter selection" is "Disabled (_ _ _ 2)" in [Pr. PB23], the
setting value of this parameter will be disabled.
When you select "Enabled (_ _ _ 1)" of "Machine resonance suppression filter 4 selection" in
[Pr. PB49], the shaft resonance suppression filter cannot be used.
Refer to the
"Name and
function" column.
Setting
digit
Explanation
Initial
value
_ _ x x Shaft resonance suppression filter setting frequency selection
Set the shaft resonance suppression filter.
Refer to table 5.4 for settings.
Set the value closest to the frequency you need.
00h
_ x _ _ Notch depth selection
0: -40 dB
1: -14 dB
2: -8 dB
3: -4 dB
0h
x _ _ _ For manufacturer setting 0h
Table 5.4 Shaft resonance suppression filter setting
frequency selection
Setting
value
Frequency [Hz]
Setting
value
Frequency [Hz]
00 Disabled 10 562
01 Disabled 11 529
02 4500 12 500
03 3000 13 473
04 2250 14 450
05 1800 15 428
06 1500 16 409
07 1285 17 391
08 1125 18 375
09 1000 19 360
0A 900 1A 346
0B 818 1B 333
0C 750 1C 321
0D 692 1D 310
0E 642 1E 300
0F 600 1F 290
PB18 LPF Low-pass filter setting
Set the low-pass filter.
The following shows a relation of a required parameter to this parameter.
3141
[rad/s]
100 to
18000
[Pr. PB23] [Pr. PB18]
_ _ 0 _ (Initial value) Automatic setting
_ _ 1 _ Setting value
enabled
_ _ 2 _ Setting value
disabled